{"data":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"3610084","name":"Sherman Quarry"},"operator":{"type":"operator","id":"0132934","name":"Phillips Stone, Inc."},"controller":{"type":"controller","id":"0070097","name":"Richard D  Phillips"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0070097","name":"Richard D  Phillips"},"object":{"type":"mine","id":"3610084","name":"Sherman Quarry"},"validFrom":"2007-06-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0070097|2007-06-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0083084","name":"J & R Excavating"},"object":{"type":"mine","id":"3610084","name":"Sherman Quarry"},"validFrom":"2013-04-24","validTo":"2014-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0083084|2013-04-24|2014-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0070097","name":"Richard D  Phillips"},"object":{"type":"operator","id":"0083084","name":"J & R Excavating"},"validFrom":"2013-04-24","validTo":"2014-03-31","current":false,"derived":true,"evidenceMineId":"3610084","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0083084|2013-04-24|0070097|2007-06-12|10041"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0132934","name":"Phillips Stone, Inc."},"object":{"type":"mine","id":"3610084","name":"Sherman Quarry"},"validFrom":"2014-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0132934|2014-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0070097","name":"Richard D  Phillips"},"object":{"type":"mine","id":"3610084","name":"Sherman Quarry"},"validFrom":"2014-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0070097|2014-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0070097","name":"Richard D  Phillips"},"object":{"type":"operator","id":"0132934","name":"Phillips Stone, Inc."},"validFrom":"2014-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3610084","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3610084|0132934|2014-04-01|0070097|2014-04-01|10043"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3610084","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}